Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

calypter

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary --use Taxonomy, then Info tabs to view entries)
No Taxon (C)
No Taxon calypter
Explanation of Names
From Greek kalypter, covering.
Identification
calypter noun - a small membranous flap at the base of the hind edge of the wing in some flies; it covers the halteres. Also called the alula, though an alula is only a calypter if it covers the haltere.
Calyptratae (singular Calyptrata) are a group of flies (diptera) that have calypters.

Photos showing calypters:
See Also
Print References
Gordh, p. 157 (1)
Works Cited
1.A Dictionary of Entomology
By George Gordh, David H. Headrick